Explore topic-wise MCQs in Heat Transfer.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Heat Transfer knowledge and support exam preparation. Choose a topic below to get started.

1.

If an annulus has an inner diameter of d 1 and an outer diameter of d 2 then the equivalent diameter is

A. 2 d<sub> 2 </sub> d<sub> 1</sub>
B. d<sub> 2 </sub> 2 d<sub> 1</sub>
C. d<sub> 1 </sub> d<sub> 2 </sub>
D. d<sub> 2 </sub> d<sub> 1</sub>
Answer» E.
Discussion
2.

For a duct of rectangular cross-section with length l and breadth b, the value of d e is

A. l b / l + b
B. 2 l b
C. 2 l b / l + b
D. 4 l b / l + b
Answer» D. 4 l b / l + b
Discussion
3.

The characteristic dimension d in the relation R E = V d p/ is the equivalent diameter and is defined as how many times the cross-sectional flow area divided by the wetted perimeter

A. 7
B. 4
C. 1
D. 6
Answer» C. 1
Discussion